Finding the Fourth Proportional to 19,792,408.70, 29,688,613.05 and 16,444,330.40
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Solution
The fourth proportional to 19,792,408.70, 29,688,613.05 and 16,444,330.40 is: 24,666,495.60
Step by Step Solution
- Step 1: Write the proportion equation
19,792,408.70 : 29,688,613.05 = 16,444,330.40 : x - Step 2: Convert to fraction form
19,792,408.70/29,688,613.05 = 16,444,330.40/x - Step 3: Cross multiply
19,792,408.70x = 29,688,613.05 × 16,444,330.40 - Step 4: Simplify right side
19,792,408.70x = 488,209,362,111,951.75 - Step 5: Solve for x
x = 488,209,362,111,951.75/19,792,408.70 - Step 6: Final answer
x = 24,666,495.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.